1/**********
2This library is free software; you can redistribute it and/or modify it under
3the terms of the GNU Lesser General Public License as published by the
4Free Software Foundation; either version 3 of the License, or (at your
5option) any later version. (See <http://www.gnu.org/copyleft/lesser.html>.)
6
7This library is distributed in the hope that it will be useful, but WITHOUT
8ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
9FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for
10more details.
11
12You should have received a copy of the GNU Lesser General Public License
13along with this library; if not, write to the Free Software Foundation, Inc.,
1451 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
15**********/
16// "liveMedia"
17// Copyright (c) 1996-2020 Live Networks, Inc. All rights reserved.
18// A 'ServerMediaSubsession' object that creates new, unicast, "RTPSink"s
19// on demand, from a MPEG-1 or 2 demuxer.
20// C++ header
21
22#ifndef _MPEG_1OR2_DEMUXED_SERVER_MEDIA_SUBSESSION_HH
23#define _MPEG_1OR2_DEMUXED_SERVER_MEDIA_SUBSESSION_HH
24
25#ifndef _ON_DEMAND_SERVER_MEDIA_SUBSESSION_HH
26#include "OnDemandServerMediaSubsession.hh"
27#endif
28#ifndef _MPEG_1OR2_FILE_SERVER_DEMUX_HH
29#include "MPEG1or2FileServerDemux.hh"
30#endif
31
32class MPEG1or2DemuxedServerMediaSubsession: public OnDemandServerMediaSubsession{
33public:
34 static MPEG1or2DemuxedServerMediaSubsession*
35 createNew(MPEG1or2FileServerDemux& demux, u_int8_t streamIdTag,
36 Boolean reuseFirstSource,
37 Boolean iFramesOnly = False, double vshPeriod = 5.0);
38 // The last two parameters are relevant for video streams only
39
40private:
41 MPEG1or2DemuxedServerMediaSubsession(MPEG1or2FileServerDemux& demux,
42 u_int8_t streamIdTag, Boolean reuseFirstSource,
43 Boolean iFramesOnly, double vshPeriod);
44 // called only by createNew();
45 virtual ~MPEG1or2DemuxedServerMediaSubsession();
46
47private: // redefined virtual functions
48 virtual void seekStreamSource(FramedSource* inputSource, double& seekNPT, double streamDuration, u_int64_t& numBytes);
49 virtual FramedSource* createNewStreamSource(unsigned clientSessionId,
50 unsigned& estBitrate);
51 virtual RTPSink* createNewRTPSink(Groupsock* rtpGroupsock,
52 unsigned char rtpPayloadTypeIfDynamic,
53 FramedSource* inputSource);
54 virtual float duration() const;
55
56private:
57 MPEG1or2FileServerDemux& fOurDemux;
58 u_int8_t fStreamIdTag;
59 Boolean fIFramesOnly; // for video streams
60 double fVSHPeriod; // for video streams
61};
62
63#endif
64